Human SPINK1 Antibody

Catalog # Availability Size / Price Qty
MAB7496
MAB7496-SP
Detection of Human SPINK1 by Western Blot.
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Product Details
Citations (1)
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Human SPINK1 Antibody Summary

Specificity
Detects human SPINK1 in ELISAs.
Source
Monoclonal Mouse IgG2B Clone # 839305
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
E. coli-derived recombinant human SPINK1
Asp24-Cys79
Accession # P00995
Formulation
Lyophilized from a 0.2 µm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Complete Your Experiment

Applications

Recommended Concentration
Sample
Western Blot
2 µg/mL
See below
Simple Western
100 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human SPINK1 antibody by Western Blot. View Larger

Detection of Human SPINK1 by Western Blot. Western blot shows lysates of human pancreas tissue. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human SPINK1 Monoclonal Antibody (Catalog # MAB7496) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for SPINK1 at approximately 6 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Simple Western Detection of Human SPINK1 antibody by Simple Western<sup>TM</sup>. View Larger

Detection of Human SPINK1 by Simple WesternTM. Simple Western lane view shows lysates of human pancreas tissue, loaded at 0.5 mg/mL. A specific band was detected for SPINK1 at approximately 6 kDa (as indicated) using 100 µg/mL of Mouse Anti-Human SPINK1 Monoclonal Antibody (Catalog # MAB7496). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system. Non-specific interaction with the 230 kDa Simple Western standard may be seen with this antibody.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: SPINK1

SPINK1 (Serine Protease Inhibitor Kazal-type 1; also TATI and PST1) is a 6-7 kDa secreted polypeptide initially identified as a tumor-derived trypsin inhibitor. It is widely expressed and found in cells diverse as pancreatic acinar cells, columnar cells of the stomach, renal collecting duct epithelium, and ureteric transitional plus breast epithelium. SPINK1 is known to be secreted with pancreatic zymogens, and apparently inactivates prematurely-activated trypsin, thus protecting the pancreas from trypsin-mediated enzyme activation. It also is reported to regulate cell migration and proliferation, the latter effect attributed to its structural resemblance to EGF and its ability to bind to activate the EGFR. Mature human SPINK1 is 56 amino acids (aa) in length (aa 24-79). It contains one Kazal-like domain (aa 26-79) that possesses a potential proteolytic cleavage site between Lys41-Ile42. An 11-12 kDa form in SDS-PAGE has been reported for SPINK1, possibly reflecting dimerization. Mature human SPINK1 shares 66% aa sequence identity with mouse Spink3, the mouse equivalent to human SPINK1.

Long Name
Serine Peptidase Inhibitor, Kazal Type 1
Entrez Gene IDs
6690 (Human); 20730 (Mouse); 266602 (Rat)
Alternate Names
pancreatic secretory trypsin inhibitor; PCTT; PCTTSpink3; PSTI; PSTISerine protease inhibitor Kazal-type 1; serine peptidase inhibitor, Kazal type 1; serine protease inhibitor, Kazal type 1; SPINK1; Spink3; TATI; TATITumor-associated trypsin inhibitor

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Citation for Human SPINK1 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Androgen deprivation upregulates SPINK1 expression and potentiates cellular plasticity in prostate cancer
    Authors: R Tiwari, N Manzar, V Bhatia, A Yadav, MA Nengroo, D Datta, S Carskadon, N Gupta, M Sigouros, F Khani, M Poutanen, A Zoubeidi, H Beltran, N Palanisamy, B Ateeq
    Nat Commun, 2020;11(1):384.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot

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